Home / 26,510.36-39,763.17-15,909.21

Finding the Fourth Proportional to 26,510.36, 39,763.17 and 15,909.21

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Solution

The fourth proportional to 26,510.36, 39,763.17 and 15,909.21 is: 23,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.36 : 39,763.17 = 15,909.21 : x
  2. Step 2: Convert to fraction form
    26,510.36/39,763.17 = 15,909.21/x
  3. Step 3: Cross multiply
    26,510.36x = 39,763.17 × 15,909.21
  4. Step 4: Simplify right side
    26,510.36x = 632,600,621.80
  5. Step 5: Solve for x
    x = 632,600,621.80/26,510.36
  6. Step 6: Final answer
    x = 23,862.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.